Provide "selected" keyword inside the option tag, which you want to appear by default in your drop down list. Or you can also provide attribute to the option ... ... <看更多>
Please visit http://technomark.in/ Set - Default -Value-For-An- HTML - Select -Element.aspx for more information.In this video, we have explained ... ... <看更多>
The HTML and JavaScript code below shows a simple example that inserts a YouTube ... If the parameter's value is set to 1 , which is the default value, ... ... <看更多>
